已知
的终边过点
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/465be4cb13369002651aafee80746d7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c9fde01ebb49d0f4f39091143d0040d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
更新时间:2017-12-22 11:53:17
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【知识点】 由终边或终边上的点求三角函数值解读
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【推荐1】已知
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名校
解题方法
【推荐2】把复数
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